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        <title>Document</title>
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        <script>
            function Person(age) {
                this.age = age
            }
            const well = new Person(18)
            /**
         * {constructor: ƒ}
            constructor: ƒ Person(age)
            [[Prototype]]: Object
         */
            console.log(Object.getPrototypeOf(well))
            /**
         * {constructor: ƒ}
            constructor: ƒ Person(age)
            [[Prototype]]: Object
         */
            console.log(well.__proto__)
            /**
         * {constructor: ƒ}
            constructor: ƒ Person(age)
            [[Prototype]]: Object
         */
            console.log(Person.prototype)
        </script>
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